Search Results - "Tatsumura, Masaki"

Trunk muscle activity during lumbar stabilization exercises on both a stable and unstable surface by Imai, Atsushi, Kaneoka, Koji, Okubo, Yu, Shiina, Itsuo, Tatsumura, Masaki, Izumi, Shigeki, Shiraki, Hitoshi

“…Controlled laboratory study. To clarify whether differences in surface stability influence trunk muscle activity. Lumbar stabilization exercises on unstable…”
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Union evaluation of lumbar spondylolysis using MRI and CT in adolescents treated conservatively by Tatsumura, Masaki, Gamada, Hisanori, Okuwaki, Shun, Eto, Fumihiko, Nagashima, Katsuya, Iwabuchi, Sho, Ogawa, Takeshi, Mammoto, Takeo, Hirano, Atsushi, Yamazaki, Masashi

“…This study evaluated the union rate of acute lumbar spondylolysis in patients treated conservatively, according to the protocol. The subjects included high…”
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Effects of Spina Bifida Occulta on Bone Union in Fifth Lumbar Spondylolysis by Gamada, Hisanori, Tatsumura, Masaki, Okuwaki, Shun, Funayama, Toru, Yamazaki, Masashi

“…Introduction: The effect of spina bifida occulta (SBO) on bone union in lumbar spondylolysis is controversial. The study aim was to assess the effect of SBO on…”
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Characteristics of lumbar spondylolysis: L5 versus non-L5 by Gamada, Hisanori, Tatsumura, Masaki, Okuwaki, Shun, Asai, Reo, Funayama, Toru, Yamazaki, Masashi

“…Fifth lumbar vertebra (L5) spondylolysis has a lower bone union rate than non-L5 spondylolysis, but the reason for this is unknown. This study aimed to…”
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Conservative treatment for lumbar spondylolysis in children of elementary school age by Gamada, Hisanori, Tatsumura, Masaki, Okuwaki, Shun, Koda, Masao, Yamazaki, Masashi

“…•Lumbar spondylolysis in patients in elementary school age has different characteristics than patients in junior or senior high school.•Proportional of lesions…”
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A Case of Significant Coagulopathy Due to Vitamin K Deficiency Caused by the Administration of Cefazolin and Rifampicin and Hyponutrition After a Postoperative Infection of the Lumbar Spine by Tatsumura, Masaki, Kato, Mikiro, Takahashi, Kei, Funayama, Toru

“…Postoperative surgical site infection in the lumbar spine is one of the serious complications that sometimes results in death. Herein, we describe a case in…”
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Risk factors affecting vertebral collapse and kyphotic progression in postmenopausal osteoporotic vertebral fractures by Okuwaki, Shun, Funayama, Toru, Ikumi, Akira, Shibao, Yosuke, Miura, Kousei, Noguchi, Hiroshi, Takahashi, Hiroshi, Koda, Masao, Tatsumura, Masaki, Kawamura, Haruo, Yamazaki, Masashi

“…Introduction We aimed to investigate the risk factors that affect vertebral deformity 6 months after osteoporotic vertebral fractures (OVFs) at the time of…”
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A Case of Endoscopic Partial Transverse Process and Sacral Alar Resection for Bertolotti's Syndrome and Continued Basketball Playing Two Years After Surgery by Tatsumura, Masaki, Kawamura, Tokio, Uchida, Ayako, Funayama, Toru

“…Bertolotti's syndrome is a syndrome in which the transverse process of the most caudal lumbar vertebra becomes enlarged and articulates with the sacral alar,…”
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Conservative Treatment and Unfavorable Factors to Bone Healing of "Pre-lysis"-Stage Lumbar Spondylolysis in Adolescents by Gamada, Hisanori, Tatsumura, Masaki, Okuwaki, Shun, Yamazaki, Masashi

“…Retrospective cohort study. To evaluate the clinical outcomes of the conservative treatment of "pre-lysis"-stage lumbar spondylolysis. With the widespread use…”
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Features of sacral alar fatigue fractures in adolescent athletes with overuse by Tatsumura, Masaki, Eto, Fumihiko, Nagashima, Katsuya, Okuwaki, Shun, Gamada, Hisanori, Iwabuchi, Sho, Ogawa, Takeshi, Mammoto, Takeo, Hirano, Atsushi, Yamazaki, Masashi

“…Three types of sacral alar fatigue fractures are elderly, postnatal, and sport-related. They are most prevalent in athletes during adulthood; there are few…”
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Factors associated with failure of bony union after conservative treatment of acute cases of unilateral lumbar spondylolysis by Tatsumura, Masaki, Gamada, Hisanori, Okuwaki, Shun, Eto, Fumihiko, Nagashima, Katsuya, Ogawa, Takeshi, Mammoto, Takeo, Hirano, Atsushi, Koda, Masao, Yamazaki, Masashi

“…If bone union is expected, conservative treatment is generally selected for lumbar spondylolysis. However, sometimes conservative treatments are unsuccessful…”
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Main and contralateral side stages of lesion affected bone union in the conservative treatment of adolescent lumbar spondylolysis: a multivariable analysis of 217 patients and 298 lesions in a retrospective cohort study by Gamada, Hisanori, Tatsumura, Masaki, Asai, Reo, Okuwaki, Shun, Funayama, Toru, Yamazaki, Masashi

“…Factors affecting bone union in the conservative treatment of adolescent lumbar spondylolysis remain controversial. We aimed to examine these factors along…”
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A Novel Technique for Pars Defect Direct Repair with a Modified Smiley Face Rod for Spondylolysis and Isthmic Spondylolisthesis by Tatsumura, Masaki, Okuwaki, Shun, Gamada, Hisarnori, Asai, Reo, Eto, Fumihiko, Nagashima, Katsuya, Takeuchi, Yosuke, Funayama, Toru, Yamazaki, Masashi

“…Introduction: Lumbar spondylolysis is a common fatigue fracture of the pars interarticularis of the lamina of the lumbar spine in adolescent athletes…”
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Characteristics of Adult-Onset Acute Lumbar Spondylolysis Treated Conservatively by Asai, Reo, Tatsumura, Masaki, Okuwaki, Shun, Gamada, Hisanori, Funayama, Toru, Hirano, Atsushi, Yamazaki, Masashi

“…Introduction: Lumbar spondylolysis typically arises during adolescence, whereas its onset in adulthood is rare. Several studies have reported incidentally…”
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Unique characteristics of bone union at the infected vertebrae after minimally invasive posterior fixation without bone grafting in thoracolumbar pyogenic spondylitis: a retrospective multicenter cohort study by Gamada, Hisanori, Funayama, Toru, Nagasawa, Keigo, Nakagawa, Takane, Okuwaki, Shun, Ogawa, Kaishi, Shibao, Yosuke, Nagashima, Katsuya, Fujii, Kengo, Takeuchi, Yosuke, Tatsumura, Masaki, Shiina, Itsuo, Nakagawa, Tsukasa, Yamazaki, Masashi, Koda, Masao

“…The current study aimed to evaluate the bone union rate between infected vertebrae after minimally invasive posterior fixation without bone grafting in…”
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Characteristics of recurrent cases after conservative therapy in adolescent lumbar spondylolysis by Tatsumura, Masaki, Gamada, Hisanori, Okuwaki, Shun, Eto, Fumihiko, Nagashima, Katsuya, Mammoto, Takeo, Hirano, Atsushi, Funayama, Toru, Yamazaki, Masashi

“…Occasionally lumbar spondylolysis in adolescents will recur after conservative treatment. The goal of this study was to retrospectively review the conditions…”
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Combined Transforaminal Lumbar Interbody Fusion and Smiley Face Rod Technique Using Dual-Headed Pedicle Screws for L4 Isthmic Spondylolisthesis and L5 Spondylolysis by Tatsumura, Masaki, Ikezawa, Shunsuke, Okuwaki, Shun, Gamada, Hisanori, Funayama, Toru

“…Spondylolysis with pseudarthrosis may be treated surgically by repairing the spondylolysis using the smiley face rod (SFR) technique. The SFR technique can…”
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Unidirectional porous beta-tricalcium phosphate as a potential bone regeneration material for infectious bony cavity without debridement in pyogenic spondylitis by Funayama, Toru, Noguchi, Hiroshi, Shibao, Yosuke, Sato, Kosuke, Kumagai, Hiroshi, Miura, Kousei, Takahashi, Hiroshi, Tatsumura, Masaki, Koda, Masao, Yamazaki, Masashi

“…An 81-year-old man was initially diagnosed with T11 osteoporotic vertebral fracture. The fractured vertebral body was filled with unidirectional porous…”
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Bone Healing in Adolescents with Bilateral L5 Spondylolysis with and without Preexisting Contralateral Terminal Spondylolysis by Eto, Fumihiko, Tatsumura, Masaki, Gamada, Hisanori, Okuwaki, Shun, Koda, Masao, Yamazaki, Masashi

“…Retrospective cohort study. To examine bone healing with conservative treatment in cases of adolescent bilateral L5 spondylolysis. We classified bilateral L5…”
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Pedicle screw insertion into infected vertebrae reduces operative time and range of fixation in minimally invasive posterior fixation for thoracolumbar pyogenic spondylitis: a multicenter retrospective cohort study by Gamada, Hisanori, Funayama, Toru, Setojima, Yusuke, Nagasawa, Keigo, Nakagawa, Takane, Sakashita, Kotaro, Okuwaki, Shun, Ogawa, Kaishi, Izawa, Shigeo, Shibao, Yosuke, Kumagai, Hiroshi, Nagashima, Katsuya, Fujii, Kengo, Takeuchi, Yosuke, Tatsumura, Masaki, Shiina, Itsuo, Uesugi, Masafumi, Yamazaki, Masashi, Koda, Masao

“…Minimally invasive posterior fixation surgery for pyogenic spondylitis is known to reduce invasiveness and complication rates; however, the outcomes of…”
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